Weld Pool Oscillation for Penetration Sensing and Control |
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Page 22
... backface sensing : sensing from the underside of the workpiece ; ⚫ topface sensing : sensing from the torch side . Backface sensing can be seen as a direct method of penetration sensing , topface sensing is an indirect method . Table ...
... backface sensing : sensing from the underside of the workpiece ; ⚫ topface sensing : sensing from the torch side . Backface sensing can be seen as a direct method of penetration sensing , topface sensing is an indirect method . Table ...
Page 23
Antonius Johannes Rosa Aendenroomer. 3.2 Backface sensing Although the application of backface sensing techniques is limited because in many constructions the backface of a weld is not accessible , there are a few techniques which have ...
Antonius Johannes Rosa Aendenroomer. 3.2 Backface sensing Although the application of backface sensing techniques is limited because in many constructions the backface of a weld is not accessible , there are a few techniques which have ...
Page 28
... backface of the workpiece prior to welding , as depicted in Fig . 3.5 . When weld penetration reaches the root , these tracers are melted and transferred to the weld pool surface under the action of convection in the weld pool . The ...
... backface of the workpiece prior to welding , as depicted in Fig . 3.5 . When weld penetration reaches the root , these tracers are melted and transferred to the weld pool surface under the action of convection in the weld pool . The ...
Common terms and phrases
500 frequency Hz AISI arc current arc length arc welding backface base current chapter cold wire supply convection correct penetration correction current step current pulses doorlassing equation Fast Fourier Transform feedback control feedback system flow frequency analysis frequency distribution frequency spectrum full penetration function GTAW heat input in-process intensity a.u. IPPC IPPC system l/min liquid metal mm/s mode 3 oscillation orbital tube welding orbital welding oscillation behavior oscillation frequency oscillation mode partial penetration penetration control penetration sensing penetration to overpenetration pool diameter pulse current pulsed GTA welding pulsed welding purging gas rotation sample seam sensing and control sensor shielding gas situation spot welding sum frequency surface tension temperature TIG welding torch total cycle travel speed tungsten tuning factor voltage and arc wall thickness wave weld bead weld penetration weld pool oscillation welding conditions welding current Welding Journal welding position welding process welding with cold workpiece